The AV Stumpfl Vario64 extension bar is a frame and system component for constructing or extending Vario64 systems. The bar has a specified length of 54 cm and is identified by manufacturer article number BVV-X054. Its net weight is 0.75 kg. This component is not a projection screen or surface and therefore has no projection area, aspect ratio, surface gain, or overall screen size specified. No further dimensions or accessories are listed.